Swift

Declaration
Add, remove, change
Iterating over
Counting

Declaration
Add, remove, change
Iterating over

Closures

Declaration
Retrieval
Add, remove, change
Iterating over

Guard in loop
Guard in function
Guard – pyramid of doom

Continue
Break
Fallthrough
Return

Switch
Switch var let
Switch where
If case and where

If
If else

While
Repeat while

For in
For case in where
For in stride
For in reversed